(2) باب تَعْظِيمِ الدَّمِ
It was narrated that 'Abdullah bin 'Amr said:
"Killing a believer is more grievous before Allah than the extinction of the whole world." (RU)
Reference (RU): Sunan an-Nasa'i 3989 (RU)
In-book reference (RU): Book 37, Hadith 24 (RU)
English translation (RU): Vol. 5, Book 37, Hadith 3994 (RU)